showsee x-3 sonic electric toothbrush ipx7 waterproof toothbrush 6 modes adjustable usb rechargeable timer brush with 4 replacement brushes

- powerful cleaning up to 42000 strokes per minute -3 hours charge, 1-2 times a day, 2 minutes each time, can be used for 45-60 days -six dental cleaning modes meet the needs of different groups of people - gently and effectively reaches deep between teeth and along the gumline - 2 minutes auto timer, 30-seconds intervals to ensure thourough brushing in six quadrants - ipx7 waterproof to be used at bath and shower